Supermodel Karlie Kloss shares her smartest moves.

On location for her ELLE shoot, Karlie Kloss glides through a series of uncomplicated but hypnotic poses: cradling a medicine ball, tensing a jump rope, holding a deep plié. It’s the Kloss factor in full effect: This combination of strength, muscularity, and easy grace is a big part of her brand, and fashion reveres her for the way she moves on set and on the runway. She’s lean, but she’s no wimpy waif—which is why she’s a fitness icon. With close to a million Instagram followers, the classically trained ballet dancer’s feed is peppered with #fitspo pictures: Karlie underwater for a morning swim; Karlie’s neon hand weights flanked by her Nike Flyknit–clad feet. In a new relationship with the brand, the kinetic 21-year-old model is not just a face—or a body—but an athlete. “I like to constantly be in motion, whether that’s taking a bike ride around the city or working with a trainer and feeling like I’m going to collapse,” Kloss says. “When you’re dripped in sweat, you feel like you can think clearly. You feel stronger.”

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Christian Ferretti

Who do you follow on social media?

I’m into anyone who posts beautiful photos of delicious meals and recipes. I’m a big fan of @momomilkbar and @jamieoliver.

If you had to edit your phone down to three apps, which would make the cut?

I live on Instagram. I feel like I check it more than my e-mail. I like Uber and Nike Training Club, a program that’s a lot more convenient than a personal trainer.

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Christian Ferretti

How do you fit in workouts when you’re traveling?

I bring two or three-pound ankle weights and resistance bands. Sometimes I get a better workout staying in my room and forcing myself to do half an hour or even 15 minutes versus going to the gym. Before I leave for work, I try to do something. It helps me feel better for the rest of the day.

Do you have any special rituals for keeping your skin clear?

I get breakouts when I wear makeup to exercise, so I clean my face before and after I work out. I also use Bioré Deep Cleansing Pore Strips. I’m always shocked and horrified at all the junk in my pores.

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Christian Ferretti

What are your beauty staples?

I have a whole second bedroom filled with products, but I stick to the things that work. I like Living Proof shampoo and conditioner. They make my hair bounce in a different way. I like products that streamline my morning routine. Sunday Riley has a really good foundation: It’s very velvety. The Laura Mercier tinted moisturizer is good. I love RMS Beauty “Un” Cover-Up for under the eyes or on a blemish.

Have you picked up any tips from makeup artists backstage?

My lips are sort of red, so sometimes I wear a bit of concealer to tone down the color. I’ve seen Pat McGrath do it for so many years. But if I’m doing a lip, there’s this new company that I love called Bite Beauty. I think you can eat their lipsticks! If you can eat it, then it’s probably okay to put on your skin.